Analytical prediction of tension force on stirrups in concrete beams longitudinally reinforced with CFRP bars

An analytical study to predict the tension force of stirrups in concrete beams that are longitudinally reinforced with Carbon Fibre Reinforced Polymers (CFRP) bars was carried out. Modified Compression Field Theory (MCFT) was applied in this study and a computer program was developed to facilitate t...

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Bibliographic Details
Main Author: Thamrin, Rendy
Format: Conference Proceeding
Language:English
Subjects:
Bars
Carbon fiber reinforced concretes
Carbon fiber reinforced plastics
Empirical analysis
Fiber reinforced polymers
Field theory
Mathematical analysis
Reinforcing steels
Stirrups
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Summary:An analytical study to predict the tension force of stirrups in concrete beams that are longitudinally reinforced with Carbon Fibre Reinforced Polymers (CFRP) bars was carried out. Modified Compression Field Theory (MCFT) was applied in this study and a computer program was developed to facilitate the calculation process. The analytical results were compared with empirical formula and test data adopted from experimental study. Three concrete beams longitudinally reinforced with CFRP bars and transversely reinforced with steel bars were tested. Stirrups spacing was used as test variable. The beams were tested until failure and strains on the stirrups measured. The comparison between test results and the MCFT results shows that MCFT predicts the growth of tension force in stirrups well.
ISSN:2261-236X
2274-7214
2261-236X
DOI:10.1051/matecconf/201819502005